<ul><li>The polar bear is a bear native to the Arctic Circle and its surrounding seas. The world's largest predator found on land, an adult male weighs around 400–680 kg , while an adult female is about half that size </li></ul>
<ul><li>The polar bear is often regarded as a marine mammal because it spends many months of the year at sea. </li></ul>
<ul><li>Unlike grizzly bears, polar bears are not territorial. Although stereotyped as being voraciously aggressive, they are normally cautious in confrontations, and often choose to escape rather than fight. </li></ul>
<ul><li>Usually they can live 25~30 years, however one polar bear lived more 40 years. </li></ul>
<ul><li>Females begin to breed at the age of four years in most areas, and five years in the Beaufort Sea area. Males usually reach sexual maturity at six years, however as competition for females is fierce, many do not breed until the age of eight or ten </li></ul>
<ul><li>They are living in North pole, Greenland, Norway, Russia. </li></ul><ul><li>They lived around North pole. </li></ul>
<ul><li>Once a seal is captured, a polar bear bites it several times on the head and neck before dragging it several meters from the water to feed. </li></ul><ul><li>Polar bears often stop to wash during feeding, using water nearby or rubbing in the snow. </li></ul><ul><li>Polar bears don't always eat the entire kill. Carcass remains are scavenged by other bears, arctic foxes, and gulls </li></ul>
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